rule 34 2023 animal genitalia animal penis anthro arms tied balder phoenix0310 balls biped bodily fluids bondage bound canid canine canine genitalia canine penis canis claws closed eyes cum cum on balls cum on own balls cum on own penis cum on penis cum on self digital media artwork digitigrade erection fur genital fluids genitals grey background hair harness hi res knot legs tied long hair machine male male only mammal milking machine multicolored body multicolored fur muzzle object muzzled onomatopoeia paws penile penis penis milking pink inner ear pink penis ruaidri simple background solo sound effects tan body tan fur text toe claws two tone body two tone fur white balls white body white fur white hair wolf 8972834